19356436

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{439919}}^1$

素因数の和:439934

約数の個数: 12

約数和(自身を含む): 36953280

約数和(自身を除く): 17596844

約数列:

[1, 2, 4, 11, 22, 44, 439919, 879838, 1759676, 4839109, 9678218, 19356436]

約数ペア:

[(1, 19356436), (2, 9678218), (4, 4839109), (11, 1759676), (22, 879838), (44, 439919)]